924c6da25b
Update the echo example based on the functionality explained in the Hyper guide: https://hyper.rs/guides/server/echo Closes #1528
58 lines
1.7 KiB
Rust
58 lines
1.7 KiB
Rust
extern crate futures;
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extern crate hyper;
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use futures::future;
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use hyper::rt::{Future, Stream};
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use hyper::service::service_fn;
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use hyper::{Body, Method, Request, Response, Server, StatusCode};
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type BoxFut = Box<Future<Item = Response<Body>, Error = hyper::Error> + Send>;
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fn echo(req: Request<Body>) -> BoxFut {
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let mut response = Response::new(Body::empty());
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match (req.method(), req.uri().path()) {
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(&Method::GET, "/") => {
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*response.body_mut() = Body::from("Try POSTing data to /echo");
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}
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(&Method::POST, "/echo") => {
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*response.body_mut() = req.into_body();
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}
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(&Method::POST, "/echo/uppercase") => {
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let mapping = req.into_body().map(|chunk| {
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chunk
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.iter()
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.map(|byte| byte.to_ascii_uppercase())
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.collect::<Vec<u8>>()
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});
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*response.body_mut() = Body::wrap_stream(mapping);
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}
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(&Method::POST, "/echo/reversed") => {
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let reversed = req.into_body().concat2().map(move |chunk| {
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let body = chunk.iter().rev().cloned().collect::<Vec<u8>>();
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*response.body_mut() = Body::from(body);
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response
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});
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return Box::new(reversed);
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}
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_ => {
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*response.status_mut() = StatusCode::NOT_FOUND;
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}
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};
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Box::new(future::ok(response))
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}
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fn main() {
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let addr = ([127, 0, 0, 1], 3000).into();
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let server = Server::bind(&addr)
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.serve(|| service_fn(echo))
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.map_err(|e| eprintln!("server error: {}", e));
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println!("The magic happens on port {}", addr.port());
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hyper::rt::run(server);
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}
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